package lab02.test10;

public class Test10 {
    public static void main(String[] args) {
        People people = new People();
        people.print();

        ChinaPeople chinaPeople = new ChinaPeople();
        chinaPeople.print();

        AmericanPeople americanPeople = new AmericanPeople();
        americanPeople.print();

        BeiJingPeople beiJingPeople = new BeiJingPeople();
        beiJingPeople.print();
    }
}
